/*
 * Original work: Copyright (c) 2010-2011 Brigham Young University
 * Modified work: Copyright (c) 2017-2022, Xilinx, Inc.
 * Copyright (c) 2022, Advanced Micro Devices, Inc.
 * All rights reserved.
 *
 * Author: Chris Lavin, Xilinx Research Labs.
 *
 * This file is part of RapidWright.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.xilinx.rapidwright.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * Class to help concurrent threads read stdio/stderr.
 * @author clavin
 *
 */
public class StreamGobbler extends Thread{
    InputStream is;
    boolean verbose;
    public StreamGobbler(InputStream is, boolean verbose) {
        this.is = is;
        this.verbose = verbose;
    }

    public void run() {
        try {
            InputStreamReader isr = new InputStreamReader(is);
            BufferedReader br = new BufferedReader(isr);
            String str = null;
            while ( (str = br.readLine()) != null) {
                if (verbose) {
                    System.out.println(str);
                }
            }
        }
        catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
}
